1 John 1:3-6

what we have seen and heard we also proclaim to you, so that you too may have fellowship [as partners] with us. And indeed our fellowship [which is a distinguishing mark of born-again believers] is with the Father, and with His Son Jesus Christ. We are writing these things to you so that our joy [in seeing you included] may be made complete [by having you share in the joy of salvation]. This is the message [of God’s promised revelation] which we have heard from Him and now announce to you, that God is Light [He is holy, His message is truthful, He is perfect in righteousness], and in Him there is no darkness at all [no sin, no wickedness, no imperfection]. If we say that we have fellowship with Him and yet walk in the darkness [of sin], we lie and do not practice the truth